Journal
NATURE COMMUNICATIONS
Volume 9, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-018-03152-9
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Funding
- National Key Basic Research Program of China [2013CB921800, 2016YFA0502400, 2016YFB0501603]
- National Natural Science Foundation of China [11227901, 91636217, 11722327, 31470835, 11421303, 11653002]
- CAS [XDB01030400, QYZDY-SSW-SLH004, QYZDB-SSW-SLH005]
- Youth Innovation Promotion Association of Chinese Academy of Sciences
- Chinese National Youth Thousand Talents Program
- CAST Young Elite Scientists Sponsorship Program [2016QNRC001]
- Fundamental Research Funds for the Central Universities
- Fundamental Research Funds for the Central Universities [WK2030040081]
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Searching for new particles beyond the standard model is crucial for understanding several fundamental conundrums in physics and astrophysics. Several hypothetical particles can mediate exotic spin-dependent interactions between ordinary fermions, which enable laboratory searches via the detection of the interactions. Most laboratory searches utilize a macroscopic source and detector, thus allowing the detection of interactions with submillimeter force range and above. It remains a challenge to detect the interactions at shorter force ranges. Here we propose and demonstrate that a near-surface nitrogen-vacancy center in diamond can be utilized as a quantum sensor to detect the monopole-dipole interaction between an electron spin and nucleons. Our result sets a constraint for the electron-nucleon coupling, g(s)(N)g(p)(e), with the force range 0.1-23 mu m. The obtained upper bound of the coupling at 20 mu m is g(s)(N)g(p)(e) < 6.24 x 10(-15).
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